package com.lagou;

import org.springframework.amqp.core.*;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class RabbitConfig {
    @Bean
    public Queue queue(){
        Map<String,Object> props =new HashMap<String,Object>();
        //消息的生存时间10s
        props.put("x-message-ttl",10000);
        props.put("x-dead-letter-exchange","ex.go.dlx");
        props.put("x-dead-letter-routing-key","go.dlx");
        Queue queue = new Queue("q.go", true, false, false, props);
        return queue;
    }

    @Bean
    public Queue queueDlx(){
        Queue queue = new Queue("q.go.dlx", true, false, false);
        return queue;
    }

    @Bean
    public Exchange exchange(){
        DirectExchange exchange = new DirectExchange("ex.go", true, false, null);
        return exchange;
    }

    @Bean
    public Exchange exchangeDlx(){
        DirectExchange exchange = new DirectExchange("ex.go.dlx", true, false, null);
        return exchange;
    }

    @Bean
    public Binding binding(){
        return BindingBuilder.bind(queue()).to(exchange()).with("go").noargs();
    }

    @Bean
    public Binding bindingDlx(){
        return BindingBuilder.bind(queueDlx()).to(exchangeDlx()).with("go.dlx").noargs();
    }
}
